/****************************************************************************** * * Module Name: aslprepkg - support for ACPI predefined name package objects * *****************************************************************************/ /****************************************************************************** * * 1. Copyright Notice * * Some or all of this work - Copyright (c) 1999 - 2019, Intel Corp. * All rights reserved. * * 2. License * * 2.1. This is your license from Intel Corp. under its intellectual property * rights. You may have additional license terms from the party that provided * you this software, covering your right to use that party's intellectual * property rights. * * 2.2. Intel grants, free of charge, to any person ("Licensee") obtaining a * copy of the source code appearing in this file ("Covered Code") an * irrevocable, perpetual, worldwide license under Intel's copyrights in the * base code distributed originally by Intel ("Original Intel Code") to copy, * make derivatives, distribute, use and display any portion of the Covered * Code in any form, with the right to sublicense such rights; and * * 2.3. Intel grants Licensee a non-exclusive and non-transferable patent * license (with the right to sublicense), under only those claims of Intel * patents that are infringed by the Original Intel Code, to make, use, sell, * offer to sell, and import the Covered Code and derivative works thereof * solely to the minimum extent necessary to exercise the above copyright * license, and in no event shall the patent license extend to any additions * to or modifications of the Original Intel Code. No other license or right * is granted directly or by implication, estoppel or otherwise; * * The above copyright and patent license is granted only if the following * conditions are met: * * 3. Conditions * * 3.1. Redistribution of Source with Rights to Further Distribute Source. * Redistribution of source code of any substantial portion of the Covered * Code or modification with rights to further distribute source must include * the above Copyright Notice, the above License, this list of Conditions, * and the following Disclaimer and Export Compliance provision. In addition, * Licensee must cause all Covered Code to which Licensee contributes to * contain a file documenting the changes Licensee made to create that Covered * Code and the date of any change. Licensee must include in that file the * documentation of any changes made by any predecessor Licensee. Licensee * must include a prominent statement that the modification is derived, * directly or indirectly, from Original Intel Code. * * 3.2. Redistribution of Source with no Rights to Further Distribute Source. * Redistribution of source code of any substantial portion of the Covered * Code or modification without rights to further distribute source must * include the following Disclaimer and Export Compliance provision in the * documentation and/or other materials provided with distribution. In * addition, Licensee may not authorize further sublicense of source of any * portion of the Covered Code, and must include terms to the effect that the * license from Licensee to its licensee is limited to the intellectual * property embodied in the software Licensee provides to its licensee, and * not to intellectual property embodied in modifications its licensee may * make. * * 3.3. Redistribution of Executable. Redistribution in executable form of any * substantial portion of the Covered Code or modification must reproduce the * above Copyright Notice, and the following Disclaimer and Export Compliance * provision in the documentation and/or other materials provided with the * distribution. * * 3.4. Intel retains all right, title, and interest in and to the Original * Intel Code. * * 3.5. Neither the name Intel nor any other trademark owned or controlled by * Intel shall be used in advertising or otherwise to promote the sale, use or * other dealings in products derived from or relating to the Covered Code * without prior written authorization from Intel. * * 4. Disclaimer and Export Compliance * * 4.1. INTEL MAKES NO WARRANTY OF ANY KIND REGARDING ANY SOFTWARE PROVIDED * HERE. ANY SOFTWARE ORIGINATING FROM INTEL OR DERIVED FROM INTEL SOFTWARE * IS PROVIDED "AS IS," AND INTEL WILL NOT PROVIDE ANY SUPPORT, ASSISTANCE, * INSTALLATION, TRAINING OR OTHER SERVICES. INTEL WILL NOT PROVIDE ANY * UPDATES, ENHANCEMENTS OR EXTENSIONS. INTEL SPECIFICALLY DISCLAIMS ANY * IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT AND FITNESS FOR A * PARTICULAR PURPOSE. * * 4.2. IN NO EVENT SHALL INTEL HAVE ANY LIABILITY TO LICENSEE, ITS LICENSEES * OR ANY OTHER THIRD PARTY, FOR ANY LOST PROFITS, LOST DATA, LOSS OF USE OR * COSTS OF PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, OR FOR ANY INDIRECT, * SPECIAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THIS AGREEMENT, UNDER ANY * CAUSE OF ACTION OR THEORY OF LIABILITY, AND IRRESPECTIVE OF WHETHER INTEL * HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES. THESE LIMITATIONS * SHALL APPLY NOTWITHSTANDING THE FAILURE OF THE ESSENTIAL PURPOSE OF ANY * LIMITED REMEDY. * * 4.3. Licensee shall not export, either directly or indirectly, any of this * software or system incorporating such software without first obtaining any * required license or other approval from the U. S. Department of Commerce or * any other agency or department of the United States Government. In the * event Licensee exports any such software from the United States or * re-exports any such software from a foreign destination, Licensee shall * ensure that the distribution and export/re-export of the software is in * compliance with all laws, regulations, orders, or other restrictions of the * U.S. Export Administration Regulations. Licensee agrees that neither it nor * any of its subsidiaries will export/re-export any technical data, process, * software, or service, directly or indirectly, to any country for which the * United States government or any agency thereof requires an export license, * other governmental approval, or letter of assurance, without first obtaining * such license, approval or letter. * ***************************************************************************** * * Alternatively, you may choose to be licensed under the terms of the * following license: * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions, and the following disclaimer, * without modification. * 2. Redistributions in binary form must reproduce at minimum a disclaimer * substantially similar to the "NO WARRANTY" disclaimer below * ("Disclaimer") and any redistribution must be conditioned upon * including a substantially similar Disclaimer requirement for further * binary redistribution. * 3. Neither the names of the above-listed copyright holders nor the names * of any contributors may be used to endorse or promote products derived * from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. * * Alternatively, you may choose to be licensed under the terms of the * GNU General Public License ("GPL") version 2 as published by the Free * Software Foundation. * *****************************************************************************/ #include "aslcompiler.h" #include "aslcompiler.y.h" #include "acpredef.h" #define _COMPONENT ACPI_COMPILER ACPI_MODULE_NAME ("aslprepkg") /* Local prototypes */ static ACPI_PARSE_OBJECT * ApCheckPackageElements ( const char *PredefinedName, ACPI_PARSE_OBJECT *Op, UINT8 Type1, UINT32 Count1, UINT8 Type2, UINT32 Count2); static void ApCheckPackageList ( const char *PredefinedName, ACPI_PARSE_OBJECT *ParentOp, const ACPI_PREDEFINED_INFO *Package, UINT32 StartIndex, UINT32 Count); static void ApPackageTooSmall ( const char *PredefinedName, ACPI_PARSE_OBJECT *Op, UINT32 Count, UINT32 ExpectedCount); static void ApZeroLengthPackage ( const char *PredefinedName, ACPI_PARSE_OBJECT *Op); static void ApPackageTooLarge ( const char *PredefinedName, ACPI_PARSE_OBJECT *Op, UINT32 Count, UINT32 ExpectedCount); static void ApCustomPackage ( ACPI_PARSE_OBJECT *ParentOp, const ACPI_PREDEFINED_INFO *Predefined); /******************************************************************************* * * FUNCTION: ApCheckPackage * * PARAMETERS: ParentOp - Parser op for the package * Predefined - Pointer to package-specific info for * the method * * RETURN: None * * DESCRIPTION: Top-level validation for predefined name return package * objects. * ******************************************************************************/ void ApCheckPackage ( ACPI_PARSE_OBJECT *ParentOp, const ACPI_PREDEFINED_INFO *Predefined) { ACPI_PARSE_OBJECT *Op; const ACPI_PREDEFINED_INFO *Package; ACPI_STATUS Status; UINT32 ExpectedCount; UINT32 Count; UINT32 i; /* The package info for this name is in the next table entry */ Package = Predefined + 1; /* First child is the package length */ Op = ParentOp->Asl.Child; Count = (UINT32) Op->Asl.Value.Integer; /* * Many of the variable-length top-level packages are allowed to simply * have zero elements. This allows the BIOS to tell the host that even * though the predefined name/method exists, the feature is not supported. * Other package types require one or more elements. In any case, there * is no need to continue validation. */ if (!Count) { switch (Package->RetInfo.Type) { case ACPI_PTYPE1_FIXED: case ACPI_PTYPE1_OPTION: case ACPI_PTYPE2_PKG_COUNT: case ACPI_PTYPE2_REV_FIXED: ApZeroLengthPackage (Predefined->Info.Name, ParentOp); break; case ACPI_PTYPE1_VAR: case ACPI_PTYPE2: case ACPI_PTYPE2_COUNT: case ACPI_PTYPE2_FIXED: case ACPI_PTYPE2_MIN: case ACPI_PTYPE2_FIX_VAR: case ACPI_PTYPE2_VAR_VAR: default: break; } return; } /* Get the first element of the package */ Op = Op->Asl.Next; /* Decode the package type */ switch (Package->RetInfo.Type) { case ACPI_PTYPE_CUSTOM: ApCustomPackage (ParentOp, Predefined); break; case ACPI_PTYPE1_FIXED: /* * The package count is fixed and there are no subpackages * * If package is too small, exit. * If package is larger than expected, issue warning but continue */ ExpectedCount = Package->RetInfo.Count1 + Package->RetInfo.Count2; if (Count < ExpectedCount) { goto PackageTooSmall; } else if (Count > ExpectedCount) { ApPackageTooLarge (Predefined->Info.Name, ParentOp, Count, ExpectedCount); } /* Validate all elements of the package */ ApCheckPackageElements (Predefined->Info.Name, Op, Package->RetInfo.ObjectType1, Package->RetInfo.Count1, Package->RetInfo.ObjectType2, Package->RetInfo.Count2); break; case ACPI_PTYPE1_VAR: /* * The package count is variable, there are no subpackages, * and all elements must be of the same type */ for (i = 0; i < Count; i++) { ApCheckObjectType (Predefined->Info.Name, Op, Package->RetInfo.ObjectType1, i); Op = Op->Asl.Next; } break; case ACPI_PTYPE1_OPTION: /* * The package count is variable, there are no subpackages. * There are a fixed number of required elements, and a variable * number of optional elements. * * Check if package is at least as large as the minimum required */ ExpectedCount = Package->RetInfo3.Count; if (Count < ExpectedCount) { goto PackageTooSmall; } /* Variable number of sub-objects */ for (i = 0; i < Count; i++) { if (i < Package->RetInfo3.Count) { /* These are the required package elements (0, 1, or 2) */ ApCheckObjectType (Predefined->Info.Name, Op, Package->RetInfo3.ObjectType[i], i); } else { /* These are the optional package elements */ ApCheckObjectType (Predefined->Info.Name, Op, Package->RetInfo3.TailObjectType, i); } Op = Op->Asl.Next; } break; case ACPI_PTYPE2_REV_FIXED: /* First element is the (Integer) revision */ ApCheckObjectType (Predefined->Info.Name, Op, ACPI_RTYPE_INTEGER, 0); Op = Op->Asl.Next; Count--; /* Examine the subpackages */ ApCheckPackageList (Predefined->Info.Name, Op, Package, 1, Count); break; case ACPI_PTYPE2_PKG_COUNT: /* First element is the (Integer) count of subpackages to follow */ Status = ApCheckObjectType (Predefined->Info.Name, Op, ACPI_RTYPE_INTEGER, 0); /* We must have an integer count from above (otherwise, use Count) */ if (ACPI_SUCCESS (Status)) { /* * Count cannot be larger than the parent package length, but * allow it to be smaller. The >= accounts for the Integer above. */ ExpectedCount = (UINT32) Op->Asl.Value.Integer; if (ExpectedCount >= Count) { goto PackageTooSmall; } Count = ExpectedCount; } Op = Op->Asl.Next; /* Examine the subpackages */ ApCheckPackageList (Predefined->Info.Name, Op, Package, 1, Count); break; case ACPI_PTYPE2_UUID_PAIR: /* The package contains a variable list of UUID Buffer/Package pairs */ /* The length of the package must be even */ if (Count & 1) { sprintf (AslGbl_MsgBuffer, "%4.4s: Package length, %d, must be even.", Predefined->Info.Name, Count); AslError (ASL_ERROR, ASL_MSG_RESERVED_PACKAGE_LENGTH, ParentOp->Asl.Child, AslGbl_MsgBuffer); } /* Validate the alternating types */ for (i = 0; i < Count; ++i) { if (i & 1) { ApCheckObjectType (Predefined->Info.Name, Op, Package->RetInfo.ObjectType2, i); } else { ApCheckObjectType (Predefined->Info.Name, Op, Package->RetInfo.ObjectType1, i); } Op = Op->Asl.Next; } break; case ACPI_PTYPE2_VAR_VAR: /* Check for minimum size (ints at beginning + 1 subpackage) */ ExpectedCount = Package->RetInfo4.Count1 + 1; if (Count < ExpectedCount) { goto PackageTooSmall; } /* Check the non-package elements at beginning of main package */ for (i = 0; i < Package->RetInfo4.Count1; ++i) { Status = ApCheckObjectType (Predefined->Info.Name, Op, Package->RetInfo4.ObjectType1, i); Op = Op->Asl.Next; } /* Examine the variable-length list of subpackages */ ApCheckPackageList (Predefined->Info.Name, Op, Package, Package->RetInfo4.Count1, Count); break; case ACPI_PTYPE2: case ACPI_PTYPE2_FIXED: case ACPI_PTYPE2_MIN: case ACPI_PTYPE2_COUNT: case ACPI_PTYPE2_FIX_VAR: /* * These types all return a single Package that consists of a * variable number of subpackages. */ /* Examine the subpackages */ ApCheckPackageList (Predefined->Info.Name, Op, Package, 0, Count); break; default: return; } return; PackageTooSmall: ApPackageTooSmall (Predefined->Info.Name, ParentOp, Count, ExpectedCount); } /******************************************************************************* * * FUNCTION: ApCustomPackage * * PARAMETERS: ParentOp - Parse op for the package * Predefined - Pointer to package-specific info for * the method * * RETURN: None * * DESCRIPTION: Validate packages that don't fit into the standard model and * require custom code. * * NOTE: Currently used for the _BIX method only. When needed for two or more * methods, probably a detect/dispatch mechanism will be required. * ******************************************************************************/ static void ApCustomPackage ( ACPI_PARSE_OBJECT *ParentOp, const ACPI_PREDEFINED_INFO *Predefined) { ACPI_PARSE_OBJECT *Op; UINT32 Count; UINT32 ExpectedCount; UINT32 Version; /* First child is the package length */ Op = ParentOp->Asl.Child; Count = (UINT32) Op->Asl.Value.Integer; /* Get the version number, must be Integer */ Op = Op->Asl.Next; Version = (UINT32) Op->Asl.Value.Integer; if (Op->Asl.ParseOpcode != PARSEOP_INTEGER) { AslError (ASL_ERROR, ASL_MSG_RESERVED_OPERAND_TYPE, Op, AslGbl_MsgBuffer); return; } /* Validate count (# of elements) */ ExpectedCount = 21; /* Version 1 */ if (Version == 0) { ExpectedCount = 20; /* Version 0 */ } if (Count < ExpectedCount) { ApPackageTooSmall (Predefined->Info.Name, ParentOp, Count, ExpectedCount); return; } else if (Count > ExpectedCount) { ApPackageTooLarge (Predefined->Info.Name, ParentOp, Count, ExpectedCount); } /* Validate all elements of the package */ Op = ApCheckPackageElements (Predefined->Info.Name, Op, ACPI_RTYPE_INTEGER, 16, ACPI_RTYPE_STRING, 4); /* Version 1 has a single trailing integer */ if (Version > 0) { ApCheckPackageElements (Predefined->Info.Name, Op, ACPI_RTYPE_INTEGER, 1, 0, 0); } } /******************************************************************************* * * FUNCTION: ApCheckPackageElements * * PARAMETERS: PredefinedName - Name of the predefined object * Op - Parser op for the package * Type1 - Object type for first group * Count1 - Count for first group * Type2 - Object type for second group * Count2 - Count for second group * * RETURN: Next Op peer in the parse tree, after all specified elements * have been validated. Used for multiple validations (calls * to this function). * * DESCRIPTION: Validate all elements of a package. Works with packages that * are defined to contain up to two groups of different object * types. * ******************************************************************************/ static ACPI_PARSE_OBJECT * ApCheckPackageElements ( const char *PredefinedName, ACPI_PARSE_OBJECT *Op, UINT8 Type1, UINT32 Count1, UINT8 Type2, UINT32 Count2) { UINT32 i; /* * Up to two groups of package elements are supported by the data * structure. All elements in each group must be of the same type. * The second group can have a count of zero. * * Aborts check upon a NULL package element, as this means (at compile * time) that the remainder of the package elements are also NULL * (This is the only way to create NULL package elements.) */ for (i = 0; (i < Count1) && Op; i++) { ApCheckObjectType (PredefinedName, Op, Type1, i); Op = Op->Asl.Next; } for (i = 0; (i < Count2) && Op; i++) { ApCheckObjectType (PredefinedName, Op, Type2, (i + Count1)); Op = Op->Asl.Next; } return (Op); } /******************************************************************************* * * FUNCTION: ApCheckPackageList * * PARAMETERS: PredefinedName - Name of the predefined object * ParentOp - Parser op of the parent package * Package - Package info for this predefined name * StartIndex - Index in parent package where list begins * ParentCount - Element count of parent package * * RETURN: None * * DESCRIPTION: Validate the individual package elements for a predefined name. * Handles the cases where the predefined name is defined as a * Package of Packages (subpackages). These are the types: * * ACPI_PTYPE2 * ACPI_PTYPE2_FIXED * ACPI_PTYPE2_MIN * ACPI_PTYPE2_COUNT * ACPI_PTYPE2_FIX_VAR * ACPI_PTYPE2_VAR_VAR * ******************************************************************************/ static void ApCheckPackageList ( const char *PredefinedName, ACPI_PARSE_OBJECT *ParentOp, const ACPI_PREDEFINED_INFO *Package, UINT32 StartIndex, UINT32 ParentCount) { ACPI_PARSE_OBJECT *SubPackageOp = ParentOp; ACPI_PARSE_OBJECT *Op; ACPI_STATUS Status; UINT32 Count; UINT32 ExpectedCount; UINT32 i; UINT32 j; /* * Validate each subpackage in the parent Package * * Note: We ignore NULL package elements on the assumption that * they will be initialized by the BIOS or other ASL code. */ for (i = 0; (i < ParentCount) && SubPackageOp; i++) { /* Each object in the list must be of type Package */ Status = ApCheckObjectType (PredefinedName, SubPackageOp, ACPI_RTYPE_PACKAGE, i + StartIndex); if (ACPI_FAILURE (Status)) { goto NextSubpackage; } /* Examine the different types of expected subpackages */ Op = SubPackageOp->Asl.Child; /* First child is the package length */ Count = (UINT32) Op->Asl.Value.Integer; Op = Op->Asl.Next; /* * Most subpackage must have at least one element, with * only rare exceptions. (_RDI) */ if (!Count && (Package->RetInfo.Type != ACPI_PTYPE2_VAR_VAR)) { ApZeroLengthPackage (PredefinedName, SubPackageOp); goto NextSubpackage; } /* * Decode the package type. * PTYPE2 indicates that a "package of packages" is expected for * this name. The various flavors of PTYPE2 indicate the number * and format of the subpackages. */ switch (Package->RetInfo.Type) { case ACPI_PTYPE2: case ACPI_PTYPE2_PKG_COUNT: case ACPI_PTYPE2_REV_FIXED: /* Each subpackage has a fixed number of elements */ ExpectedCount = Package->RetInfo.Count1 + Package->RetInfo.Count2; if (Count < ExpectedCount) { ApPackageTooSmall (PredefinedName, SubPackageOp, Count, ExpectedCount); break; } if (Count > ExpectedCount) { ApPackageTooLarge (PredefinedName, SubPackageOp, Count, ExpectedCount); break; } ApCheckPackageElements (PredefinedName, Op, Package->RetInfo.ObjectType1, Package->RetInfo.Count1, Package->RetInfo.ObjectType2, Package->RetInfo.Count2); break; case ACPI_PTYPE2_FIX_VAR: /* * Each subpackage has a fixed number of elements and an * optional element */ ExpectedCount = Package->RetInfo.Count1 + Package->RetInfo.Count2; if (Count < ExpectedCount) { ApPackageTooSmall (PredefinedName, SubPackageOp, Count, ExpectedCount); break; } ApCheckPackageElements (PredefinedName, Op, Package->RetInfo.ObjectType1, Package->RetInfo.Count1, Package->RetInfo.ObjectType2, Count - Package->RetInfo.Count1); break; case ACPI_PTYPE2_VAR_VAR: /* * Must have at least the minimum number elements. * A zero PkgCount means the number of elements is variable. */ ExpectedCount = Package->RetInfo4.PkgCount; if (ExpectedCount && (Count < ExpectedCount)) { ApPackageTooSmall (PredefinedName, SubPackageOp, Count, 1); break; } ApCheckPackageElements (PredefinedName, Op, Package->RetInfo4.SubObjectTypes, Package->RetInfo4.PkgCount, 0, 0); break; case ACPI_PTYPE2_FIXED: /* Each subpackage has a fixed length */ ExpectedCount = Package->RetInfo2.Count; if (Count < ExpectedCount) { ApPackageTooSmall (PredefinedName, SubPackageOp, Count, ExpectedCount); break; } if (Count > ExpectedCount) { ApPackageTooLarge (PredefinedName, SubPackageOp, Count, ExpectedCount); break; } /* Check each object/type combination */ for (j = 0; j < ExpectedCount; j++) { ApCheckObjectType (PredefinedName, Op, Package->RetInfo2.ObjectType[j], j); Op = Op->Asl.Next; } break; case ACPI_PTYPE2_MIN: /* Each subpackage has a variable but minimum length */ ExpectedCount = Package->RetInfo.Count1; if (Count < ExpectedCount) { ApPackageTooSmall (PredefinedName, SubPackageOp, Count, ExpectedCount); break; } /* Check the type of each subpackage element */ ApCheckPackageElements (PredefinedName, Op, Package->RetInfo.ObjectType1, Count, 0, 0); break; case ACPI_PTYPE2_COUNT: /* * First element is the (Integer) count of elements, including * the count field (the ACPI name is NumElements) */ Status = ApCheckObjectType (PredefinedName, Op, ACPI_RTYPE_INTEGER, 0); /* We must have an integer count from above (otherwise, use Count) */ if (ACPI_SUCCESS (Status)) { /* * Make sure package is large enough for the Count and is * is as large as the minimum size */ ExpectedCount = (UINT32) Op->Asl.Value.Integer; if (Count < ExpectedCount) { ApPackageTooSmall (PredefinedName, SubPackageOp, Count, ExpectedCount); break; } else if (Count > ExpectedCount) { ApPackageTooLarge (PredefinedName, SubPackageOp, Count, ExpectedCount); } /* Some names of this type have a minimum length */ if (Count < Package->RetInfo.Count1) { ExpectedCount = Package->RetInfo.Count1; ApPackageTooSmall (PredefinedName, SubPackageOp, Count, ExpectedCount); break; } Count = ExpectedCount; } /* Check the type of each subpackage element */ Op = Op->Asl.Next; ApCheckPackageElements (PredefinedName, Op, Package->RetInfo.ObjectType1, (Count - 1), 0, 0); break; default: break; } NextSubpackage: SubPackageOp = SubPackageOp->Asl.Next; } } /******************************************************************************* * * FUNCTION: ApPackageTooSmall * * PARAMETERS: PredefinedName - Name of the predefined object * Op - Current parser op * Count - Actual package element count * ExpectedCount - Expected package element count * * RETURN: None * * DESCRIPTION: Issue error message for a package that is smaller than * required. * ******************************************************************************/ static void ApPackageTooSmall ( const char *PredefinedName, ACPI_PARSE_OBJECT *Op, UINT32 Count, UINT32 ExpectedCount) { sprintf (AslGbl_MsgBuffer, "%s: length %u, required minimum is %u", PredefinedName, Count, ExpectedCount); AslError (ASL_ERROR, ASL_MSG_RESERVED_PACKAGE_LENGTH, Op, AslGbl_MsgBuffer); } /******************************************************************************* * * FUNCTION: ApZeroLengthPackage * * PARAMETERS: PredefinedName - Name of the predefined object * Op - Current parser op * * RETURN: None * * DESCRIPTION: Issue error message for a zero-length package (a package that * is required to have a non-zero length). Variable length * packages seem to be allowed to have zero length, however. * Even if not allowed, BIOS code does it. * ******************************************************************************/ static void ApZeroLengthPackage ( const char *PredefinedName, ACPI_PARSE_OBJECT *Op) { sprintf (AslGbl_MsgBuffer, "%s: length is zero", PredefinedName); AslError (ASL_ERROR, ASL_MSG_RESERVED_PACKAGE_LENGTH, Op, AslGbl_MsgBuffer); } /******************************************************************************* * * FUNCTION: ApPackageTooLarge * * PARAMETERS: PredefinedName - Name of the predefined object * Op - Current parser op * Count - Actual package element count * ExpectedCount - Expected package element count * * RETURN: None * * DESCRIPTION: Issue a remark for a package that is larger than expected. * ******************************************************************************/ static void ApPackageTooLarge ( const char *PredefinedName, ACPI_PARSE_OBJECT *Op, UINT32 Count, UINT32 ExpectedCount) { sprintf (AslGbl_MsgBuffer, "%s: length is %u, only %u required", PredefinedName, Count, ExpectedCount); AslError (ASL_REMARK, ASL_MSG_RESERVED_PACKAGE_LENGTH, Op, AslGbl_MsgBuffer); }